Pwm digital drive high efficiency amplifier and dual feedback circuit New twisted flare port contributes to clear and tight bass Advanced yst II (Yamaha active Servo technology II)

Sound bar with wired Subwoofer: 2.1 channel 72 Watt soundbar delivers a clear stereo sound and excellent sound quality. Wired subwoofer enhances your TV experience and provides strong bass when you're watching your favorite movies and shows. Bass +- adjustable: you can adjust the bass effect through rotating the bass volume adjustment button on the back of subwoofer. Adds powerful bass in the room and gives you a truly home theater experience. Work with most TVs: Easy connect with your flat tv/tablet/computer wireless or wired by bluetooth, optical, RCA(white & red), AUX. Mount on a wall or place it on cabinet in a few minutes